WO2004005765A1 - Motion translator for an equidistant shifting sensor system - Google Patents

Motion translator for an equidistant shifting sensor system Download PDF

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Publication number
WO2004005765A1
WO2004005765A1 PCT/DE2003/002282 DE0302282W WO2004005765A1 WO 2004005765 A1 WO2004005765 A1 WO 2004005765A1 DE 0302282 W DE0302282 W DE 0302282W WO 2004005765 A1 WO2004005765 A1 WO 2004005765A1
Authority
WO
WIPO (PCT)
Prior art keywords
shift lever
axis
pivot axis
movement
transmission element
Prior art date
Application number
PCT/DE2003/002282
Other languages
German (de)
French (fr)
Inventor
Andreas Giefer
Jörg Meyer
Original Assignee
ZF Lemförder Metallwaren AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZF Lemförder Metallwaren AG filed Critical ZF Lemförder Metallwaren AG
Priority to DE50304873T priority Critical patent/DE50304873D1/en
Priority to EP03762457A priority patent/EP1520124B1/en
Publication of WO2004005765A1 publication Critical patent/WO2004005765A1/en
Priority to US10/939,932 priority patent/US7430938B2/en
Priority to US11/923,941 priority patent/US7726215B2/en

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/04—Ratio selector apparatus
    • F16H59/044—Ratio selector apparatus consisting of electrical switches or sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H2059/026—Details or special features of the selector casing or lever support
    • F16H2059/0273—Cardan or gimbal type joints for supporting the lever
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • G05G2009/0474—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks characterised by means converting mechanical movement into electric signals
    • G05G2009/04748—Position sensor for rotary movement, e.g. potentiometer
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • G05G2009/0474—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks characterised by means converting mechanical movement into electric signals
    • G05G2009/04751—Position sensor for linear movement
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • G05G2009/0474—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks characterised by means converting mechanical movement into electric signals
    • G05G2009/04755—Magnetic sensor, e.g. hall generator, pick-up coil
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/2003—Electrical actuator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/2014—Manually operated selector [e.g., remotely controlled device, lever, push button, rotary dial, etc.]
    • Y10T74/20159—Control lever movable through plural planes

Definitions

  • the invention relates to a system for electromechanical transmission actuation, in particular a system for detecting gear lever positions.
  • Electromechanical shift systems are used to transmit the actuating movement of a shift lever to a corresponding shift position of a transmission.
  • a sensor system is used that detects the current gear lever position from the interaction of actuators and sensors.
  • the identity of the shift lever position determined is transmitted to a control unit of the transmission by electrical, electronic, electro-optical or similar means and is converted by the latter into a corresponding shift state of the transmission.
  • Such switching systems are currently known as shift-by-wire. They are preferably used in automated manual transmissions or automatic transmissions. Automated manual transmissions can be manufactured more cost-effectively, more easily and more compactly than automatic transmissions. As a result, and in particular in connection with the system-related high efficiency, the automated manual transmission is of great importance in the future development of motor vehicles.
  • the shift lever position is often detected in electromechanical switching systems with magnetic or optically acting sensors, such as Hall sensors, optoreflective sensors or the like.
  • the 'select' movement space preferably includes a change in the shift lever position in a first direction, the 'switch' movement space transversely to this direction.
  • the first direction may correspond to the vehicle direction, for example.
  • the first direction may run transversely to the vehicle direction.
  • the position of a shift lever is recorded separately for both movement areas.
  • the gear shift selected with a specific gear lever position results from the combination of the projections of this position on the movement spaces 'select' and 'shift'.
  • the sensors for the movement spaces 'select' and 'switch' are placed on a single planar, i.e. flat and not curved circuit board added.
  • the actuator is mechanically connected to the shift lever and is arranged opposite the circuit board with the sensors. Since the shift lever position is changed by pivoting the shift lever, the clear distance between the actuator and a sensor varies with the shift position of the shift lever in this concept.
  • the range of action of the actuators is generally very narrow, so that the sensors are addressed differently. If, for example, a magnetic sensor system with a permanent magnet is used as an actuator, the activating magnetic field has a Gaussian distribution of the magnetic field contour. The width and strength of the distribution change with the distance from the magnet. The switch-on and switch-off thresholds of the magnetic field-sensitive sensors, such as Hall sensors, are therefore different for each switch position.
  • a printed circuit board can be designed so that the distances between the actuator and the respective sensors are kept constant in the different switching states.
  • the production of a correspondingly curved circuit board is associated with great effort and thus high production costs.
  • a sensor can be designed individually for each switching position.
  • this solution also entails considerable additional manufacturing costs.
  • a level sensor system can be implemented with the aid of a slide system carried by the gear lever. This solution is very complex in terms of construction and, in addition to the additional manufacturing costs caused thereby, has the disadvantage that the tolerance chain in the detection of the shift lever position is further extended.
  • a technically good solution is an arrangement of two planar printed circuit boards orthogonal to each other.
  • Each of the non-curved printed circuit boards carries the flat sensor system for only one of the 'select' or 'switch' movement areas, so that the distances between the actuators and the respective sensors do not change for the various shift lever positions. Since each switch position is composed of a 'select' combined with a 'switch' position, this solution requires not only two actuators, but also considerably more sensors than one of the solution concepts mentioned above. Furthermore, the connections of both boards must be brought together, so that the implementation of this solution is extremely complex and cost-intensive.
  • the invention is therefore based on the object of specifying a simple mechanism which, with a minimum of tolerances, enables the movement spaces “selection” and “switching” to be detected with the aid of a planar arrangement of sensors with uniform characteristics.
  • the object is achieved in particular by a device for translating a two-axis pivoting movement of a shift lever into a planar movement of a shift lever position transmitter with a guide element for restricting the movement of the shift lever position transmitter to movement in a non-curved plane, a transmission element for transmitting a pivoting movement of the shift lever about a first Pivot axis in a pivoting movement of the gear lever position sensor in the non-curved plane, and a hinge connection to implement a Pivotal movement of the shift lever about a second pivot axis in a linear movement of the shift lever position transmitter in the uncurved plane, so that the shift lever positions of the shift lever can be detected in the uncurved plane.
  • an electromechanical shift lever system with a two-axis shift lever a device according to the invention for translating a two-axis pivoting movement of a shift lever into a planar movement of a shift lever position transmitter, and sensors which are used to detect certain shift lever positions of the shift lever parallel to the non-uniform plane of the shift lever position transmitter are arranged opposite.
  • the device according to the invention allows the use of a planar standard sensor system in an electromechanical shift lever system with little design effort.
  • the articulated connection is advantageously attached to the side of the shift lever.
  • the first pivot axis of the shift lever is expediently designed in the form of a bearing pin with an end designed as a joint head for receiving in the shift lever position transmitter.
  • the shift lever position sensor advantageously has a longitudinal recess with a for receiving the joint head
  • Cross-sectional geometry which essentially reproduces the geometry of the joint head transversely to the axis of the bearing pin with the same or larger dimensions so that the joint head can slide along the recess without force transmission, but reliable force transmission is ensured in at least one direction transverse to this.
  • the joint head is preferably designed spherical. Should also a rotation of the first pivot axis on the Shift lever position transmitter are transmitted, the joint head preferably has a cylindrical geometry, the axis of symmetry of the cylindrical joint head being arranged substantially perpendicular to the first pivot axis or axis of the bearing pin.
  • the joint head can advantageously form the transmission element.
  • the transmission element engages around the shift lever at a distance from the first pivot axis of the shift lever.
  • it expediently has a bow-shaped element which comprises the shift lever.
  • the bow-shaped element engages around the shift lever in such a way that the shift lever carries the transmission element when pivoting about its first pivot axis and moves freely in the bow-shaped element when pivoting about its second pivot axis.
  • Reliable detection of the shift lever positions is achieved by arranging the guide element with a defined reference to the shift lever housing.
  • the transmission element can be pivotally mounted about a pivot pin, so that a pivoting movement of the shift lever about the first pivot axis is easily translated into a pivoting movement of the transmission element.
  • the geometric position of the axis of the pivot pin can in this case be arranged within the orientations which can be taken up by the first pivot axis of the shift lever so that a pivoting movement of the pivot pin can be transmitted to the shift lever position transmitter without special precautions.
  • the pivot pin can be designed to restrict a movement of the transmission element to the curved plane and thus constitute part of the guide element.
  • a guide element can also be formed on the transmission element.
  • the guide element can preferably be from a recess in the Transmission element can be formed, wherein the shift lever position transmitter is radially displaceable to the pivot axis of the transmission element (19).
  • the shift lever position transmitter has an actuator in the form of a permanent magnet.
  • the sensors are preferably designed as Hall sensors.
  • a device according to the invention or an electromechanical shift lever system according to the invention can be used for example in motor vehicles such as passenger or commercial vehicles.
  • FIG. 1 shows a shift lever mechanism for using a motion translator according to the invention
  • FIG. 2 shows a longitudinal section through an articulated connection according to the invention between the first pivot axis of a shift lever and the articulated body
  • FIG. 3 shows cross sections of an articulated connection according to the invention in accordance with a first embodiment (a) and a second embodiment at a first swivel angle (b) or at a second swivel angle (c) of the first swivel axis of the shift lever mechanism,
  • FIG. 4 shows an electromechanical shift lever assembly with a first embodiment of a motion translator according to the invention
  • FIG. 5 shows the displacement path of the actuator for a first embodiment of a motion translator according to the invention
  • FIG. 6 shows the mechanical part of an electromechanical shift lever assembly with a second embodiment of a motion translator according to the invention
  • FIG. 7 shows the displacement path of the actuator for a second embodiment of a motion translator according to the invention
  • the shift lever 2 the upper end of which, usually not closed by a vehicle shift knob, is not shown in FIG. 1, has at its lower end a latching element 9 which can be displaced along the shift lever axis 10 and whose surface design enables it to be shifted in a latching contour.
  • the shifting of the locking element 9 in the locking contour is effected by pivoting the shift lever 2 by two pivot axes 11 and 12, which are usually arranged at right angles to one another.
  • the locking contour limits the
  • the dashed lines 15 represent an example of such a path.
  • the circles 15a on the dashed lines 15 indicate the position of exemplary locking positions of the locking contour.
  • the first pivot axis 11 of the shift lever 2 is formed by a bearing pin 3, the axis of symmetry of which is preferably guided through the shift lever 2 at a right angle to its longitudinal axis 10.
  • the bearing pin 3 can, for example, be received in a through bore of the shift lever 2, but it can also be made in two pieces at opposite points of the shift lever.
  • the cross section of the bearing pin 3 can be equipped with a non-circular profile for a rotation-proof connection, at least in the area of the receptacle by the shift lever.
  • security against twisting of the bearing pin can also be can be achieved by means of a locking pin 6, as shown in FIG. 1, or by a one-piece design of the shift lever and bearing pin.
  • the shift lever 2 is either rotatably mounted on the bearing pin 3, or that in a holder 5, so that the shift lever 2 can be pivoted about the pivot axis 11 of the bearing pin 3.
  • two further bolts 4 are attached, the axes of symmetry of which form a common second pivot axis 12 for the shift lever.
  • the second pivot axis 12 is preferably arranged at right angles to the first pivot axis 11.
  • the cross-sectional profile of the bolts 4 is not necessarily circular. However, it is suitable in a bearing shell e.g. a shift lever housing or a carrier to be included and to enable a pivoting movement in the required angular range around the pivot axis 12.
  • the two pivot axes 11 and 12 form a universal joint or a type of cardanic bearing.
  • a movement of the latching element 9 is therefore limited to a movement in a curved surface, as indicated by the arrows 13 and 14 in FIG. 1. Will be on the locking element 9 or on a rigid with the
  • the actuator also moves in a double-curved plane when the shift lever 2 is pivoted.
  • the sensors of a switching sensor system must either also be arranged in a correspondingly curved plane or, in the case of a planar arrangement, their response behavior must be individually adapted to the different distances from the actuator.
  • the actuator when the switching lever 2 is pivoted in a planar, i.e. to guide non-curved plane, the actuator is movably connected to the shift lever 2.
  • Two are independent of each other
  • Pivoting movements namely to translate the first pivot axis 11 and the second pivot axis 12 into two mutually independent movements of the actuator in a planar plane.
  • the shift lever 2 When the shift lever 2 is pivoted about the first pivot axis 11, the shift lever describes an arc in the plane spanned by the second pivot axis 12 and the shift lever axis 10. If the bearing pin 3 is connected to the shift lever 2 in a rotationally secure manner, this pivoting movement also leads to a rotation of the bearing pin about its axis 11. In contrast, pivoting the shift lever 2 about the second pivot axis 12 leads to a deflection or pivoting of the bearing pin 3 about the latter second pivot axis 12.
  • one or both pivoting movements can therefore be tapped at the bearing pin 3.
  • one end of the bearing bolt 3 is designed as a joint head 7 or 7a.
  • the joint head 7 shows in the shift lever axis 10 and the first
  • Pivot axis 11 spanned plane a preferably circular profile. As shown in the longitudinal section in FIG. 2, a bearing opening 17 of the joint body 16 designed as a longitudinal recess in a joint body 16 can thus be pushed over the joint head and tilted against the pivot axis 11.
  • the joint body has a mounting receptacle 22 for attaching an actuator. Together with the actuator, the joint body forms a shift lever position transmitter.
  • a guide holds the joint body 16 in a spatially determined displacement plane. Depending on the design requirements, this can
  • Shift plane parallel or at a defined angle to the shift lever axis 10 with the neutral or basic position of the shift lever 2 set.
  • the joint head 7 or 7a moves on an arc with the center at the intersection of the shift lever axis 10 and the second pivot axis 12. It is therefore not only the angle between the bearing pin axis 11 and the displacement plane of the that changes Joint body 16, but the joint head also slips depending on the pivoting direction into or out of the longitudinal bearing opening 17.
  • the representations a) and b) of Figure 2 illustrate this process.
  • the diameter of the joint head 7 or 7a can be chosen to be correspondingly large or, as can be seen in FIGS. 1 and 2, a tapered neck 8 can be formed at the attachment of the joint head.
  • the bearing opening 17 can also be designed as a blind hole on the sliding element 16 in the form of a continuous recess. If a pivoting movement of the bearing pin 3 transversely to the longitudinal direction 18 of the joint body 16 does not have to be divided into a movement component along the longitudinal direction 18 and a movement component transversely thereto, the cross section of the bearing opening essentially corresponds to the circumferential geometry of the joint head 7 or 7a, as it emerges the view in the direction of the first pivot axis 11 results. Otherwise, the cross-sectional geometry of the bearing opening corresponds to a circumferential geometry of the joint head that extends transversely to the longitudinal direction 18. The joint head can thus move freely within certain limits in the bearing opening transversely to the longitudinal direction 18 of the joint body 16. Forces are therefore only transmitted in the longitudinal direction of the joint body 16. The broadening of the bearing opening compared to the joint head geometry results from the maximum
  • Swivel angles around the first and second swivel axes It is negligible for small swivel angles.
  • the joint head 7 in this case therefore preferably has a spherical shape.
  • the rotational movement of the bearing pin 3 is additionally translated into a rotation of the joint body 16 about the first pivot axis 11.
  • the circumferential geometry of the joint head 7a perpendicular to the first pivot axis 11 differs significantly from a circular geometry.
  • the joint head geometries are preferably deviating from the spherical shape rotationally symmetrical body used, the rotational symmetry axis perpendicular to the pivot axis 11. For example, polygons with even numbers of edges, ellipses or the like can be used as circumferential geometries.
  • FIG. 3 The principle of operation of the torque transmission is illustrated in the illustrations in FIG. 3.
  • rotation of the bearing pin 3 about its axis 11 is not transmitted to the joint body 16, so that the longitudinal direction 18 of the joint body 16 remains unchanged in its position (FIG. 3a).
  • a non-spherical, rotationally symmetrical joint head 7a such as the cylindrical joint head of FIGS. 3b and c
  • the rotary movement of the bearing pin is converted into a corresponding deflection of the joint body 16.
  • the deflection of the longitudinal direction 18 from the starting position corresponds to the angle of rotation of the bearing pin 3.
  • FIG. 4 shows a view of a shift lever assembly 25 with a motion translator according to a first embodiment of the present invention.
  • the core of the assembly 25 is a shift lever 2, which is mounted in a universal joint as described with reference to FIG. 1.
  • the locking element 9 at the lower end of the shift lever engages in a locking contour 23, so that the shift lever 2 can only be moved between defined positions 26.
  • a shift lever housing 24 houses the shift lever mechanism. Bearing shells are formed on it, in which the bolts 4 of the universal joint are rotatably received. In the shift lever housing 24 there are also the locking contour 23, the device according to the invention
  • the joint body 16 is attached to the joint head 7 as shown in FIGS. 2 and 3 a. It has an elongated design, the longitudinal direction 18 being arranged radially to the first pivot axis of the shift lever.
  • the joint body 16 is received in a longitudinal recess 20 of a transmission element 19 surrounding it. It can be moved along the longitudinal direction of the recess 20.
  • the transmission element 19 is pivotally mounted on a wall of the shift lever housing 24 by means of a pivot pin 27.
  • the geometric position of the axis of the pivot pin 27 is arranged within the orientations or positions that can be taken up by the first pivot axis 11.
  • the pivot pin 27 can be mounted, for example, on the shift lever housing 24 in a rigid or linearly displaceable manner. With linear displaceability, the direction of displacement follows the pivoting movement of the journal 3.
  • An opening in the transmission element 19 opposite the pivot pin 27 allows the bearing pin 3 to be passed through with the joint head 7.
  • the dimensions of the opening allow the bearing pin 3 to pivot freely within the range predetermined by the locking contour.
  • a pivoting of the bearing pin 3 about the second pivot axis 12 is achieved by this arrangement in a linear displacement of the joint body 16 along the longitudinal direction of the recess 20 in
  • Transfer element 19 implemented.
  • the longitudinal direction of the recess 20 coincides with the longitudinal direction 18 of the joint body 16.
  • a bracket 21 is arranged on the transmission element 19, which engages around the shift lever in its lower region.
  • the bracket 21 can also grip around the shift lever in its upper region.
  • the bracket has an elongated eye through which the shift lever 2 is guided.
  • the width of the bow eye is aligned parallel to the second pivot axis 12 of the shift lever 2 and essentially corresponds to the diameter or the width of the shift lever.
  • the length of the bow eye is aligned parallel to the first pivot axis 11 of the shift lever 2 and allows the shift lever 2 to pivot freely about the second pivot axis for all positions 26 defined by the locking contour 23.
  • Pivot 27 An actuator arranged in a mounting receptacle 22 of the joint body 16 correspondingly describes an arc in a displacement plane perpendicular to the axis of the pivot 27.
  • a pivoting of the shift lever 2 about the second Swivel axis 12, on the other hand, causes a longitudinal displacement of the joint body 16 in the cutout 20 of the transmission element 19 and thus a displacement of the actuator radially to the axis of the pivot pin 27. Since the pivot pin 27 is arranged on the transmission element 19, the actuator cannot leave the displacement plane.
  • the switching paths 15 indicated by dashed lines in FIG. 1 are thus implemented in the displacement paths 29 of the actuator shown in FIG. 5.
  • the rings 29a indicate the position of the actuator in the detent positions 15a of the shift lever 2.
  • the locking contour 23, as shown in FIGS. 1 and 5 limits the pivoting movements of the bearing pin 3 to a deflection of the joint head 7 in the direction of the longitudinal extension of the recess 20 in the transmission element 19 for receiving the joint body 16, the cross section of the bearing opening 17 can be undrawn the circumferential geometry of the joint head 7 can be adjusted, since no movement components occur transversely to the longitudinal direction 18.
  • FIG. 6 shows a shift lever assembly 30 with a device for translating a two-axis pivoting movement of a shift lever 2 according to a second embodiment of the present invention.
  • the joint body 16 has at one end a bearing opening 17 with different dimensions transversely and along its longitudinal extension 18.
  • the joint head 7a is cylindrical and is received in the bearing opening 17 with the axis of symmetry of the joint head 7a transverse to the longitudinal direction 18.
  • the cross section of the bearing opening 17 corresponds to the circumferential geometry of the joint head 7a in its view in the direction of the first pivot axis 11.
  • the second end of the joint body 16 is guided in the eye of a bracket 31 such that movement of the joint body 16 is limited to the displacement plane defined by the longitudinal wall 32 of the bracket.
  • the bearing pin 3 is firmly connected to the shift lever.
  • a pivoting of the switching lever 2 about the first pivot axis 11 causes the joint body 16 to pivot about this pivot axis 11 in the through the longitudinal wall 32 specified shift plane.
  • a pivoting of the shift lever 2 about the second pivot axis 12 causes the bearing pin to pivot about this axis 12.
  • the joint head 7a thus moves on an arc with the pivot axis 12 as the center.
  • the movement component perpendicular to the plane of displacement results in a displacement of the joint head 7a in the bearing opening 17 perpendicular to the plane of displacement and does not thereby change the position of the joint body 16.
  • the movement component parallel to the plane of displacement causes a vertical displacement of the joint body in this plane.
  • the switching paths 15 indicated by dashed lines in FIG. 1 are thus converted into the displacement paths 28 of the actuator shown in FIG.
  • the rings 28a indicate the position of the actuator in the detent positions 15a of the shift lever 2.
  • the connecting lines 33 indicated by dashed lines are positions of the actuator with the same pivoting angle of the
  • Shift lever 2 around the first pivot axis 11 but different pivot angle about the second pivot axis 12 parallel and not inclined to each other.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)

Abstract

The invention relates to a device for translating a biaxial pivotal motion of a gear-shift lever (2) into a planar motion of a gear-shift lever position transmitter. The inventive device comprises: a guide element (20, 27, 31, 32) for limiting the motion of the gear-shift lever position transmitter to a motion in a non-curved plane; a transmission element (19, 7a) for transmitting a pivotal motion of the gear-shift lever (2) about a first pivot axis (11) into a pivotal motion of the gear-shift lever position transmitter in the non-curved plane, and; an articulation for converting a pivotal motion of the gear-shift lever (2) about a second pivot axis (12) into a linear motion of the gear-shift lever position transmitter in the non-curved plane thereby enabling the gear-shift lever positions (15a) of the gear-shift lever (2) to be detected in the non-curved plane.

Description

Bewegungsübersetzer für eine isodistante Schaltsensorik Motion translator for an isodistant switching sensor system
Beschreibungdescription
Die Erfindung betrifft ein System zur elektromechanischen Getriebebetätigung, insbesondere ein System zum Erfassen von Schalthebelstellungen.The invention relates to a system for electromechanical transmission actuation, in particular a system for detecting gear lever positions.
Elektromechanische Schaltsysteme dienen zum Übertragen der Stellbewegung eines Schalthebels auf eine entsprechende Schaltstellung eines Getriebes. Statt der klassischen Übertragung der Schalthebelstellung über Seilzüge und Schaltgestänge an das Getriebe wird eine Sensorik verwendet, die aus einem Zusammenwirken von Aktuatoren und Sensoren die jeweils aktuelle Schalthebelstellung erfasst. Die Identität der ermittelten Schalthebelstellung wird mit elektrischen, elektronischen, elektro-optischen oder dergleichen Mitteln an eine Steuereinheit des Getriebes übertragen und von dieser in einen entsprechenden Schaltzustand des Getriebes umgesetzt. Derartige Schaltsysteme sind gegenwärtig unter der Bezeichnung Shift-by-Wire bekannt. Sie finden bevorzugt bei automatisierten Schaltgetrieben oder Automatikgetrieben Verwendung. Automatisierte Schaltgetriebe können kostengünstiger, leichter und kompakter als Automatikgetriebe hergestellt werden. Dadurch und insbesondere in Verbindung mit dem systembedingten hohen Wirkungsgrad wird dem automatisierten Schaltgetriebe große Bedeutung in der künftigen Entwicklung von Kraftfahrzeugen beigemessen.Electromechanical shift systems are used to transmit the actuating movement of a shift lever to a corresponding shift position of a transmission. Instead of the classic transmission of the gear lever position via cables and gear linkage to the gearbox, a sensor system is used that detects the current gear lever position from the interaction of actuators and sensors. The identity of the shift lever position determined is transmitted to a control unit of the transmission by electrical, electronic, electro-optical or similar means and is converted by the latter into a corresponding shift state of the transmission. Such switching systems are currently known as shift-by-wire. They are preferably used in automated manual transmissions or automatic transmissions. Automated manual transmissions can be manufactured more cost-effectively, more easily and more compactly than automatic transmissions. As a result, and in particular in connection with the system-related high efficiency, the automated manual transmission is of great importance in the future development of motor vehicles.
Die Schalthebelstellung wird bei elektromechanischen Schaltsystemen oft mit magnetisch oder optisch wirkenden Sensoren, wie z.B. Hallsensoren, Optoreflexsensoren oder dergleichen erfasst. Bei der Schalthebelbewegung wird zwischen zwei Bewegungsräumen unterschieden, die den Schwenkrichtungen des Schalthebels um zwei Schwenkachsen entsprechen. Der Bewegungsraum 'Wählen' umfasst bevorzugt eine Veränderung der Schalthebelposition in einer ersten Richtung, der Bewegungsraum 'Schalten' quer zur dieser Richtung. Im Fall orthogonaler Bewegungsräume sind auch die beiden Schwenkachsen senkrecht zueinander angeordnet, wobei die erste Richtung z.B. der Fahrzeugrichtung entsprechen kann. Es ist aber auch möglich, dass die erste Richtung quer zur Fahrzeugrichtung verläuft. Die Stellung eines Schalthebels wird entsprechend für beide Bewegungsräume getrennt erfasst. Die mit einer bestimmten Schalthebelstellung ausgewählte Getriebeschaltung ergibt sich aus der Kombination der Projektionen dieser Stellung auf die Bewegungsräume 'Wählen' und 'Schalten'.The shift lever position is often detected in electromechanical switching systems with magnetic or optically acting sensors, such as Hall sensors, optoreflective sensors or the like. A distinction is made between two movement spaces in the shift lever movement, which correspond to the pivoting directions of the shift lever about two pivot axes. The 'select' movement space preferably includes a change in the shift lever position in a first direction, the 'switch' movement space transversely to this direction. In the case of orthogonal spaces of movement, the two are also Pivot axes arranged perpendicular to each other, the first direction may correspond to the vehicle direction, for example. However, it is also possible for the first direction to run transversely to the vehicle direction. The position of a shift lever is recorded separately for both movement areas. The gear shift selected with a specific gear lever position results from the combination of the projections of this position on the movement spaces 'select' and 'shift'.
Um den Produktionsaufwand für ein elektromechanisches Schalthebelmodul gering zu halten, werden die Sensoren für die Bewegungsräume 'Wählen' und 'Schalten' auf einer einzigen planaren, d.h. ebenen und nicht gekrümmten Leiterplatte aufgenommen. Der Aktuator ist mit dem Schalthebel mechanisch verbunden und gegenüber der Leiterplatte mit den Sensoren angeordnet. Da eine Veränderung der Schalthebelstellung durch Schwenken des Schalthebels erfolgt, variiert bei diesem Konzept der lichte Abstand zwischen dem Aktuator und einem Sensor mit der Schaltstellung des Schalthebels.In order to keep the production costs for an electromechanical shift lever module low, the sensors for the movement spaces 'select' and 'switch' are placed on a single planar, i.e. flat and not curved circuit board added. The actuator is mechanically connected to the shift lever and is arranged opposite the circuit board with the sensors. Since the shift lever position is changed by pivoting the shift lever, the clear distance between the actuator and a sensor varies with the shift position of the shift lever in this concept.
Der Wirkungsbereich der Aktuatoren ist im Allgemeinen räumlich sehr eng begrenzt, so dass hierbei die Sensoren unterschiedlich angesprochen werden. Wird beispielsweise eine magnetische Sensorik mit einem Permanentmagneten als Aktuator verwendet, so weist das aktivierende Magnetfeld eine Gaußverteilung der Magnetfeldkontur auf. Breite und Stärke der Verteilung ändern sich mit dem Abstand vom Magneten. Die Einschalt- bzw. Ausschaltschwellen der magnetfeldempfindlichen Sensoren wie beispielsweise von Hallsensoren sind daher für jede Schaltposition unterschiedlich.The range of action of the actuators is generally very narrow, so that the sensors are addressed differently. If, for example, a magnetic sensor system with a permanent magnet is used as an actuator, the activating magnetic field has a Gaussian distribution of the magnetic field contour. The width and strength of the distribution change with the distance from the magnet. The switch-on and switch-off thresholds of the magnetic field-sensitive sensors, such as Hall sensors, are therefore different for each switch position.
Um diesem Effekt entgegenzuwirken, kann eine Leiterplatte so gekrümmt ausgeführt werden, dass die Abstände zwischen dem Aktuator und den jeweiligen Sensoren bei den verschiedenen Schaltzuständen konstant gehalten sind. Die Herstellung einer entsprechend gekrümmten Leiterplatte ist allerdings mit großem Aufwand und damit hohen Produktionskosten verbunden. Alternativ kann ein Sensor individuell für j ede Schaltstellung ausgelegt werden. Jedoch bedingt auch diese Lösung erhebliche Mehrkosten in der Herstellung. Mit Hilfe eines vom Schalthebel mitgeführten Schiebersystems kann eine ebene Sensorik realisiert werden. Diese Lösung ist konstruktiv sehr aufwendig und hat neben den dadurch verursachten Mehrkosten in der Herstellung den Nachteil, dass die Toleranzkette in der Erfassung der Schalthebelstellung weiter verlängert wird.In order to counteract this effect, a printed circuit board can be designed so that the distances between the actuator and the respective sensors are kept constant in the different switching states. The production of a correspondingly curved circuit board is associated with great effort and thus high production costs. Alternatively, a sensor can be designed individually for each switching position. However, this solution also entails considerable additional manufacturing costs. A level sensor system can be implemented with the aid of a slide system carried by the gear lever. This solution is very complex in terms of construction and, in addition to the additional manufacturing costs caused thereby, has the disadvantage that the tolerance chain in the detection of the shift lever position is further extended.
Eine technisch gute Lösung bietet eine Anordnung von zwei planaren Leiterplatten orthogonal zueinander. Jede der nicht gekrümmten Leiterplatten trägt hierbei die ebene Sensorik für jeweils nur einen der Bewegungsräume 'Wählen' oder 'Schalten', so dass sich die Abstände der Aktuatoren zu den jeweiligen Sensoren nicht für die verschienenen Schalthebelstellungen verändern. Da sich jede Schaltstellung aus einer 'Wählen'- kombiniert mit einer 'Schalten'-Position zusammensetzt, sind bei dieser Lösung neben zwei Aktuatoren auch erheblich mehr Sensoren erforderlich, als bei einer der oben angesprochenen Lösungskonzepte. Ferner müssen die Anschlüsse beider Platinen zusammengeführt werden, so dass sich die Realisierung dieser Lösung äußerst aufwendig und kostenintensiv gestaltet.A technically good solution is an arrangement of two planar printed circuit boards orthogonal to each other. Each of the non-curved printed circuit boards carries the flat sensor system for only one of the 'select' or 'switch' movement areas, so that the distances between the actuators and the respective sensors do not change for the various shift lever positions. Since each switch position is composed of a 'select' combined with a 'switch' position, this solution requires not only two actuators, but also considerably more sensors than one of the solution concepts mentioned above. Furthermore, the connections of both boards must be brought together, so that the implementation of this solution is extremely complex and cost-intensive.
Der Erfindung liegt daher die Aufgabe zugrunde, eine einfache Mechanik anzugeben, die mit einem Minimum an Toleranzen ein Erfassen der Bewegungsräume 'Wählen' und 'Schalten' mithilfe einer planaren Anordnung von Sensoren einheitlicher Charakteristik ermöglicht.The invention is therefore based on the object of specifying a simple mechanism which, with a minimum of tolerances, enables the movement spaces “selection” and “switching” to be detected with the aid of a planar arrangement of sensors with uniform characteristics.
Diese Aufgabe ist erfindungsgemäß durch die Merkmale der unabhängigen Patentansprüche gelöst.This object is achieved by the features of the independent claims.
Die Aufgabe wird insbesondere gelöst durch eine Vorrichtung zum Übersetzen einer zweiachsigen Schwenkbewegung eines Schalthebels in eine planare Bewegung eines Schalthebelpositionsgebers mit einem Führungselement zur Beschränkung der Bewegung des Schalthebelpositionsgebers auf eine Bewegung in einer nichtgekr mmten Ebene, einem Übertragungselement zum Übertragen einer Schwenkbewegung des Schalthebels um eine erste Schwenkachse in eine Schwenkbewegung des Schalthebelpositionsgebers in der nichtgekrümmten Ebene, und einer Gelenkverbindung zum Umsetzen einer Schwenkbewegung des Schalthebels um eine zweite Schwenkachse in eine lineare Bewegung des Schalthebelpositionsgebers in der nichtgekrummten Ebene, so dass die Schalthebelpositionen des Schalthebels in der nichtgekrummten Ebene detektierbar sind.The object is achieved in particular by a device for translating a two-axis pivoting movement of a shift lever into a planar movement of a shift lever position transmitter with a guide element for restricting the movement of the shift lever position transmitter to movement in a non-curved plane, a transmission element for transmitting a pivoting movement of the shift lever about a first Pivot axis in a pivoting movement of the gear lever position sensor in the non-curved plane, and a hinge connection to implement a Pivotal movement of the shift lever about a second pivot axis in a linear movement of the shift lever position transmitter in the uncurved plane, so that the shift lever positions of the shift lever can be detected in the uncurved plane.
Obige Aufgabe wird ferner gelöst von einem elektromechanischen Schalthebelsystem mit einem zweiachsig gelagerten Schalthebel, einer erfindungsgemäßen Vorrichtung zum Übersetzen einer zweiachsigen Schwenkbewegung eines Schalthebels in eine planare Bewegung eines Schalthebelpositionsgebers, und Sensoren, die zum Detektieren bestimmter Schalthebelpositionen des Schalthebels parallel zur nichtgel^xümmten Ebene dem Schalthebelpositionsgeber gegenüber angeordnet sind.The above object is further achieved by an electromechanical shift lever system with a two-axis shift lever, a device according to the invention for translating a two-axis pivoting movement of a shift lever into a planar movement of a shift lever position transmitter, and sensors which are used to detect certain shift lever positions of the shift lever parallel to the non-uniform plane of the shift lever position transmitter are arranged opposite.
Die erfindungsgemäße Vorrichtung gestattet die Verwendung einer planar aufgebauten standardmäßigen Sensorik in einem elektromechanischen Schalthebelsystem bei geringem konstruktiven Aufwand.The device according to the invention allows the use of a planar standard sensor system in an electromechanical shift lever system with little design effort.
Für eine raumsparende Ausführung des elektromechanischen Schalthebelsystems ist die Gelenkverbindung vorteilhaft seitlich des Schalthebels angebracht.For a space-saving design of the electromechanical shift lever system, the articulated connection is advantageously attached to the side of the shift lever.
Zur Übertragung der Schwenkbewegungen des Schalthebels an den Schalthebelpositionsgeber ist die erste Schwenkachse des Schalthebels zweckmäßig in Form eines Lagerbolzens mit einem als Gelenkkopf ausgestalteten Ende zur Aufnahme im Schalthebelpositionsgeber ausgeführt. Der Schalthebelpositionsgeber weist dabei zur Aufnahme des Gelenkkopfs vorteilhaft eine längsförmige Aussparung mit einerTo transmit the pivoting movements of the shift lever to the shift lever position transmitter, the first pivot axis of the shift lever is expediently designed in the form of a bearing pin with an end designed as a joint head for receiving in the shift lever position transmitter. The shift lever position sensor advantageously has a longitudinal recess with a for receiving the joint head
Querschnittsgeometrie auf, die im wesentlichen die Geometrie des Gelenkkopfs quer zur Achse des Lagerbolzens bei gleichen oder größeren Abmessungen wiedergibt sodass der Gelenkkopf ohne Kraftübertragung längs der Aussparung gleiten kann, aber in zumindest einer Richtung quer hierzu eine sichere Kraftübertragung gewährleistet ist.Cross-sectional geometry, which essentially reproduces the geometry of the joint head transversely to the axis of the bearing pin with the same or larger dimensions so that the joint head can slide along the recess without force transmission, but reliable force transmission is ensured in at least one direction transverse to this.
Für ein ausschließliches Übertragen der Schwenkbewegung der ersten Schwenkachse des Schalthebels an den Schalthebelpositionsgeber ist der Gelenkkopf bevorzugt kugelförmig ausgestaltet. Soll auch eine Drehung der ersten Schwenkachse an den Schalthebelpositionsgeber übertragen werden, so weist der Gelenkkopf vorzugsweise eine zylinderförmige Geometrie auf, wobei die Symmetrieachse des zylinderförmigen Gelenkkopfs im wesentlichen senkrecht zur ersten Schwenkachse bzw. Achse des Lagerbolzens angeordnet ist. Der Gelenkkopf kann hierbei vorteilhaft das Übertragungselement bilden.For an exclusive transfer of the pivoting movement of the first pivot axis of the shift lever to the shift lever position transmitter, the joint head is preferably designed spherical. Should also a rotation of the first pivot axis on the Shift lever position transmitter are transmitted, the joint head preferably has a cylindrical geometry, the axis of symmetry of the cylindrical joint head being arranged substantially perpendicular to the first pivot axis or axis of the bearing pin. The joint head can advantageously form the transmission element.
In einer bevorzugten Ausführungsform umgreift das Übertragungselement den Schalthebel in einem Abstand zur ersten Schwenkachse des Schalthebels. Zweckmäßig weist es hierzu ein bügeiförmiges Element auf, das den Schalthebel umfasst. Für das sichere Übertragen der gewünschten und zum Ausschließen der anderen Schwenkbewegung umgreift das bügeiförmige Element den Schalthebel so, dass der Schalthebel bei einem Schwenken um seine erste Schwenkachse das Übertragungselement mitführt und bei Schwenken um seine zweite Schwenkachse sich im bügeiförmigen Element frei bewegt.In a preferred embodiment, the transmission element engages around the shift lever at a distance from the first pivot axis of the shift lever. For this purpose, it expediently has a bow-shaped element which comprises the shift lever. For the safe transmission of the desired and to exclude the other pivoting movement, the bow-shaped element engages around the shift lever in such a way that the shift lever carries the transmission element when pivoting about its first pivot axis and moves freely in the bow-shaped element when pivoting about its second pivot axis.
Ein sicheres Detektieren der Schalthebelpositionen wird durch Anordnen des Führungselements mit definiertem Bezug zum Schalthebelgehäuse erreicht.Reliable detection of the shift lever positions is achieved by arranging the guide element with a defined reference to the shift lever housing.
Das Übertragungselement kann um einen Drehzapfen schwenkbar gelagert sein, sodass eine Schwenkbewegung des Schalthebels um die erste Schwenkachse auf einfache Weise in eine Schwenkbewegung des Übertragungselements übersetzt wird. Die geometrische Lage der Achse des Drehzapfens kann hierbei innerhalb der von der ersten Schwenkachse des Schalthebels einnehmbaren Ausrichtungen angeordnet sein damit eine Schwenkbewegung des Lagerzapfens ohne besondere Vorkehrungen auf den Schalthebelpositionsgeber übertragbar ist.The transmission element can be pivotally mounted about a pivot pin, so that a pivoting movement of the shift lever about the first pivot axis is easily translated into a pivoting movement of the transmission element. The geometric position of the axis of the pivot pin can in this case be arranged within the orientations which can be taken up by the first pivot axis of the shift lever so that a pivoting movement of the pivot pin can be transmitted to the shift lever position transmitter without special precautions.
Entsprechend einer vorteilhaften Weiterentwicklung kann der Drehzapfen zur Beschränkung einer Bewegung des Übertragungselements auf die m^htgekrümmte Ebene ausgebildet sein und damit einen Teil des Führungselements darstellen. Bedarfsweise kann auch am Übertragungselement ein Führungselement ausgebildet sein. Das Führungselement kann hierbei vorzugsweise von einer Aussparung im Übertragungselement gebildet sein, worin der Schalthebelpositionsgeber radial zur Schwenkachse des Übertragungselements (19) verschiebbar ist.According to an advantageous further development, the pivot pin can be designed to restrict a movement of the transmission element to the curved plane and thus constitute part of the guide element. If necessary, a guide element can also be formed on the transmission element. The guide element can preferably be from a recess in the Transmission element can be formed, wherein the shift lever position transmitter is radially displaceable to the pivot axis of the transmission element (19).
In einer bevorzugten Ausfuhrungsform weist der Schalthebelpositionsgeber einen Aktuator in Form eines Permanentmagneten auf. Die Sensoren sind bevorzugt als Hallsensoren ausgeführt.In a preferred embodiment, the shift lever position transmitter has an actuator in the form of a permanent magnet. The sensors are preferably designed as Hall sensors.
Eine erfindungsgemäße Vorrichtung bzw. ein erfindungsgemäßes elektromechanisches Schalthebelsystem kann beispielsweise in Kraftfahrzeugen wie Personen- oder Nutzkraftwagen verwendet werden.A device according to the invention or an electromechanical shift lever system according to the invention can be used for example in motor vehicles such as passenger or commercial vehicles.
Im Folgenden wird die Erfindung anhand von Ausführungsbeispielen mit Bezug auf die beiliegenden Figuren erläutert, in denenThe invention is explained below on the basis of exemplary embodiments with reference to the accompanying figures, in which:
Figur 1 eine Schalthebelmechanik zur Anwendung eines erfindungsgemäßen Bewegungsübersetzers zeigt,FIG. 1 shows a shift lever mechanism for using a motion translator according to the invention,
Figur 2 einen Längsschnitt durch eine erfindungsgemäße Gelenkverbindung zwischen der ersten Schwenkachse eines Schalthebels und dem Gelenkkörper zeigt,FIG. 2 shows a longitudinal section through an articulated connection according to the invention between the first pivot axis of a shift lever and the articulated body,
Figur 3 Querschnitte einer erfindungsgemäße Gelenkverbindung gemäß einer ersten Ausführungsform (a) und einer zweiten Ausführungsform bei einem ersten Schwenkwinkel (b) bzw. bei einem zweiten Schwenkwinkel (c) der ersten Schwenkachse der Schalthebelmechanik zeigt,3 shows cross sections of an articulated connection according to the invention in accordance with a first embodiment (a) and a second embodiment at a first swivel angle (b) or at a second swivel angle (c) of the first swivel axis of the shift lever mechanism,
Figur 4 eine elektromechanische Schalthebelbaugruppe mit einer ersten Ausführungsform eines erfindungsgemäßen Bewegungsübersetzers zeigt,FIG. 4 shows an electromechanical shift lever assembly with a first embodiment of a motion translator according to the invention,
Figur 5 den Verschiebeweg des Aktuators für eine erste Ausfuhrungsform eines erfindungsgemäßen Bewegungsübersetzers zeigt, Figur 6 den mechanischen Teil einer elektromechanische Schalthebelbaugruppe mit einer zweiten Ausführungsform eines erfindungsgemäßen Bewegungsübersetzers zeigt, undFIG. 5 shows the displacement path of the actuator for a first embodiment of a motion translator according to the invention, FIG. 6 shows the mechanical part of an electromechanical shift lever assembly with a second embodiment of a motion translator according to the invention, and
Figur 7 den Verschiebeweg des Aktuators für eine zweite Ausführungsform eines erfindungsgemäßen Bewegungsübersetzers zeigt,FIG. 7 shows the displacement path of the actuator for a second embodiment of a motion translator according to the invention,
Funktionen gleichwertige Elemente sind in den Figuren mit gleichen Bezugszeichen versehen.Functions equivalent elements are provided with the same reference numerals in the figures.
Der prinzipielle Aufbau einer Schalthebelmechanik 1, wie sie für den Aufbau eines elektromechanischen Schaltsystems in Kraftfahrzeugen Anwendung findet, ist in der Figur 1 dargestellt. Der Schalthebel 2 dessen oberes, meist von einem Fahrzeugschaltknauf abgeschlossenes Ende in der Figur 1 nicht dargestellt ist, besitzt an seinem unteren Ende ein, entlang der Schalthebelachse 10 verschiebbares Rastelement 9 dessen Oberflächengestaltung ein rastendes Verschieben in einer Rastierkontur ermöglicht. Das Verschieben des Rastelements 9 in der Rastierkontur wird durch Schwenken des Schalthebels 2 um zwei, meist im rechten Winkel zueinander angeordnete Schwenkachsen 11 und 12 bewirkt. Die Rastierkontur beschränkt dabei dieThe basic structure of a shift lever mechanism 1, as used for the construction of an electromechanical shift system in motor vehicles, is shown in FIG. The shift lever 2, the upper end of which, usually not closed by a vehicle shift knob, is not shown in FIG. 1, has at its lower end a latching element 9 which can be displaced along the shift lever axis 10 and whose surface design enables it to be shifted in a latching contour. The shifting of the locking element 9 in the locking contour is effected by pivoting the shift lever 2 by two pivot axes 11 and 12, which are usually arranged at right angles to one another. The locking contour limits the
Schalthebelbewegung so, dass das Rastelement nur entlang vorgegebener Wege verschoben werden kann. Die gestrichelt gezeichneten Linien 15 stellen ein Beispiel eines derartigen Wegeverlaufs dar. Die Kreise 15a auf den gestrichelten Linien 15 geben die Lage von beispielhaften Rastpositionen der Rastierkontur an.Shift lever movement so that the locking element can only be moved along predetermined paths. The dashed lines 15 represent an example of such a path. The circles 15a on the dashed lines 15 indicate the position of exemplary locking positions of the locking contour.
Die erste Schwenkachse 11 des Schalthebels 2 wird von einem Lagerbolzen 3 gebildet dessen Symmetrieachse vorzugsweise durch den Schalthebel 2 im rechten Winkel zu dessen Längsachse 10 geführt ist. Der Lagerbolzen 3 kann beispielsweise in einer durchgehenden Bohrung des Schalthebels 2 aufgenommen sein, er kann aber auch zweistückig ausgeführt an sich gegenüberliegenden Stellen des Schalthebels angebracht sein. Der Querschnitt des Lagerbolzens 3 kann zumindest im Bereich der Aufnahme durch den Schalthebel mit einem nichtkreisförmigen Profil für eine verdrehsichere Verbindung ausgestattet sein. Die Sicherheit gegen ein Verdrehen des Lagerbolzens kann jedoch auch mittels eines Sicherungsstiftes 6, wie in der Figur 1 dargestellt oder durch eine einstückige Ausführung von Schalthebel und Lagerbolzen erzielt werden.The first pivot axis 11 of the shift lever 2 is formed by a bearing pin 3, the axis of symmetry of which is preferably guided through the shift lever 2 at a right angle to its longitudinal axis 10. The bearing pin 3 can, for example, be received in a through bore of the shift lever 2, but it can also be made in two pieces at opposite points of the shift lever. The cross section of the bearing pin 3 can be equipped with a non-circular profile for a rotation-proof connection, at least in the area of the receptacle by the shift lever. However, security against twisting of the bearing pin can also be can be achieved by means of a locking pin 6, as shown in FIG. 1, or by a one-piece design of the shift lever and bearing pin.
Der Schalthebel 2 ist entweder am Lagerbolzen 3, oder jener in einer Halterung 5 drehbar gelagert, sodass der Schalthebel 2 um die Schwenkachse 11 des Lagerbolzens 3 geschwenkt werden kann. An zwei sich gegenüberliegenden Stellen der Halterung 5 sind zwei weitere Bolzen 4 angebracht, deren Symmetrieachsen eine gemeinsame zweite Schwenkachse 12 für den Schalthebel bilden. Die zweite Schwenkachse 12 ist bevorzugt im rechten Winkel zur ersten Schwenkachse 11 angeordnet. Das Querschnittsprofil der Bolzen 4 ist nicht notwendigerweise kreisförmig. Es ist jedoch geeignet in einer Lagerschale z.B. eines Schalthebelgehäuses oder eines Trägers aufgenommen zu werden und eine Schwenkbewegung im erforderlichen Winkelbereich um die Schwenkachse 12 zu ermöglichen.The shift lever 2 is either rotatably mounted on the bearing pin 3, or that in a holder 5, so that the shift lever 2 can be pivoted about the pivot axis 11 of the bearing pin 3. At two opposite points of the holder 5, two further bolts 4 are attached, the axes of symmetry of which form a common second pivot axis 12 for the shift lever. The second pivot axis 12 is preferably arranged at right angles to the first pivot axis 11. The cross-sectional profile of the bolts 4 is not necessarily circular. However, it is suitable in a bearing shell e.g. a shift lever housing or a carrier to be included and to enable a pivoting movement in the required angular range around the pivot axis 12.
Im Zusammenwirken bilden die beiden Schwenkachsen 11 und 12 ein Kreuzgelenk bzw. eine Art kardanischer Lagerung. Eine Bewegung des Rastelements 9 ist daher auf eine Bewegung in einer gekrümmten Fläche beschränkt, wie sie von den Pfeilen 13 und 14 in der Figur 1 angedeutet ist. Wird am Rastelement 9 oder an einem starr mit demIn cooperation, the two pivot axes 11 and 12 form a universal joint or a type of cardanic bearing. A movement of the latching element 9 is therefore limited to a movement in a curved surface, as indicated by the arrows 13 and 14 in FIG. 1. Will be on the locking element 9 or on a rigid with the
Schalthebel 2 verbundenen Bauteil ein Aktuator angebracht, so bewegt sich der Aktuator bei Schwenken des Schalthebels 2 ebenfalls in einer zweifach gekrümmten Ebene. Die Sensoren einer Schaltsensorik müssen für diese Fälle entweder ebenfalls in einer entsprechend gekrümmten Ebene angeordnet sein, oder bei planarer Anordnung in ihrem Ansprechverhalten individuell den unterschiedlichen Abständen zum Aktuator angepasst werden.If an actuator is attached to the shift lever 2 connected component, the actuator also moves in a double-curved plane when the shift lever 2 is pivoted. For these cases, the sensors of a switching sensor system must either also be arranged in a correspondingly curved plane or, in the case of a planar arrangement, their response behavior must be individually adapted to the different distances from the actuator.
Um den Aktuator bei Schwenken des Schalthebels 2 erfindungsgemäß in einer planaren, d.h. nichtgekrummten Ebene zu führen, wird der Aktuator beweglich mit dem Schalthebel 2 verbunden. Dabei sind zwei voneinander unabhängigeAccording to the invention, when the switching lever 2 is pivoted in a planar, i.e. to guide non-curved plane, the actuator is movably connected to the shift lever 2. Two are independent of each other
Schwenkbewegungen, nämlich um die erste Schwenkachse 11 und die zweite Schwenkachse 12 in zwei voneinander unabhängige Bewegungen des Aktuators in einer planaren Ebene zu übersetzen. Bei Schwenken des Schalthebels 2 um die erste Schwenkacb.se 11 beschreibt der Schalthebel einen Bogen in der von der zweiten Schwenkachse 12 und der Schalthebelachse 10 aufgespannten Ebene. Ist der Lagerbolzens 3 verdrehsicher mit dem Schalthebel 2 verbunden, so führt diese Schwenkbewegung auch zu einem Drehen des Lagerbolzens um seine Achse 11. Ein Schwenken des Schalthebels 2 um die zweite Schwenkachse 12 führt dagegen zu einer Auslenkung bzw. einem Schwenken des Lagerbolzens 3 um diese zweite Schwenkachse 12.Pivoting movements, namely to translate the first pivot axis 11 and the second pivot axis 12 into two mutually independent movements of the actuator in a planar plane. When the shift lever 2 is pivoted about the first pivot axis 11, the shift lever describes an arc in the plane spanned by the second pivot axis 12 and the shift lever axis 10. If the bearing pin 3 is connected to the shift lever 2 in a rotationally secure manner, this pivoting movement also leads to a rotation of the bearing pin about its axis 11. In contrast, pivoting the shift lever 2 about the second pivot axis 12 leads to a deflection or pivoting of the bearing pin 3 about the latter second pivot axis 12.
Je nach Art der Verbindung zwischen Lagerbolzen 3 und Schalthebel 2 können daher am Lagerbolzen 3 eine oder beide Schwenkbewegungen abgegriffen werden. Um ein Schwenken des Lagerbolzens 3 in eine lineare Schiebebewegung eines angelenkten Gelenkkörpers 16 umzusetzen, ist ein Ende des Lagerbolzens 3 als Gelenkkopf 7 bzw. 7a ausgebildet. Der Gelenkkopf 7 zeigt in der, von Schalthebelachse 10 und der erstenDepending on the type of connection between the bearing pin 3 and the shift lever 2, one or both pivoting movements can therefore be tapped at the bearing pin 3. In order to convert a pivoting of the bearing pin 3 into a linear sliding movement of an articulated joint body 16, one end of the bearing bolt 3 is designed as a joint head 7 or 7a. The joint head 7 shows in the shift lever axis 10 and the first
Schwenkachse 11 aufgespannten Ebene ein vorzugsweise kreisförmiges Profil. Wie im Längsschnitt der Figur 2 dargestellt, kann damit eine als längsförmige Aussparung in einem Gelenkkörper 16 gestaltete Lageröffhung 17 des Gelenkkörpers 16 über den Gelenkkopf geschoben und gegen die Schwenkachse 11 verkippt werden.Pivot axis 11 spanned plane a preferably circular profile. As shown in the longitudinal section in FIG. 2, a bearing opening 17 of the joint body 16 designed as a longitudinal recess in a joint body 16 can thus be pushed over the joint head and tilted against the pivot axis 11.
Der Gelenkkörper besitzt eine Montageaufnahme 22 zum Anbringen eines Aktuators. Zusammen mit dem Aktuator bildet der Gelenkkörper einen Schalthebelpositionsgeber.The joint body has a mounting receptacle 22 for attaching an actuator. Together with the actuator, the joint body forms a shift lever position transmitter.
Eine nicht in der Figur 2 dargestellte Führung hält den Gelenkkörper 16 in einer räumlich bestimmten Verschiebeebene. Je nach Konstruktionsanforderung kann dieseA guide, not shown in FIG. 2, holds the joint body 16 in a spatially determined displacement plane. Depending on the design requirements, this can
Verschiebeebene parallel oder in einem definierten Winkel zur Schalthebelachse 10 bei der Neutral- bzw. Grundstellung des Schalthebels 2 eingerichtet sein.Shift plane parallel or at a defined angle to the shift lever axis 10 with the neutral or basic position of the shift lever 2 set.
Bei Schwenken des Schalthebels 2 um die zweite Schwenkachse 12 bewegt sich der Gelenkkopf 7 bzw. 7a auf einem Kreisbogen mit dem Zentrum im Schnittpunkt von Schalthebelachse 10 und zweiter Schwenkachse 12. Es ändert sich daher nicht nur der Winkel zwischen der Lagerbolzenachse 11 und der Verschiebeebene des Gelenkkörpers 16, sondern der Gelenkkopf rutscht ferner je nach Schwenkrichtung tiefer in die längsförmige Lageröffhung 17 hinein oder aus ihr zurück. Die Darstellungen a) und b) der Figur 2 illustrieren diesen Vorgang. Um ein Verkanten des Lagerbolzens 3 mit dem Gelenkkörper 16 zu verhindern, kann der Durchmesser des Gelenkkopfs 7 bzw. 7a entsprechend groß gewählt oder wie in den Figuren 1 und 2 zu sehen ein verjüngter Hals 8 am Ansatz des Gelenkkopfs ausgebildet werden.When the shift lever 2 is pivoted about the second pivot axis 12, the joint head 7 or 7a moves on an arc with the center at the intersection of the shift lever axis 10 and the second pivot axis 12. It is therefore not only the angle between the bearing pin axis 11 and the displacement plane of the that changes Joint body 16, but the joint head also slips depending on the pivoting direction into or out of the longitudinal bearing opening 17. The representations a) and b) of Figure 2 illustrate this process. In order to prevent the bearing bolt 3 from tilting with the joint body 16, the diameter of the joint head 7 or 7a can be chosen to be correspondingly large or, as can be seen in FIGS. 1 and 2, a tapered neck 8 can be formed at the attachment of the joint head.
Die Lageröffhung 17 kann in Form einer durchgehenden Aussparung aber auch als Sackloch am Schiebeelement 16 ausgeführt sein. Muss eine Schwenkbewegung des Lagerbolzen 3 quer zur Längsrichtung 18 des Gelenkkörpers 16 nicht in einen Bewegungsanteil entlang der Längsrichtung 18 und einen Bewegungsanteil quer dazu aufgeteilt werden, so entspricht der Querschnitt der Lageröffhung im wesentlichen der Umfangsgeometrie des Gelenkkopfs 7 bzw. 7a, wie sie sich aus der Ansicht in Richtung der ersten Schwenkachse 11 ergibt. Andernfalls entspricht die Querschnittsgeometrie der Lageröffhung einer quer zur Längsrichtung 18 gestreckten Umfangsgeometrie des Gelenkkopfs. Damit kann sich der Gelenkkopf innerhalb bestimmter Grenzen in der Lageröffhung quer zur Längsrichtung 18 des Gelenkkörpers 16 frei bewegen. Kräfte werden somit nur in Längsrichtung des Gelenkkörpers 16 übertragen. Die Verbreiterung der Lageröffhung gegenüber der Gelenkkopfgeometrie ergibt sich aus den maximalenThe bearing opening 17 can also be designed as a blind hole on the sliding element 16 in the form of a continuous recess. If a pivoting movement of the bearing pin 3 transversely to the longitudinal direction 18 of the joint body 16 does not have to be divided into a movement component along the longitudinal direction 18 and a movement component transversely thereto, the cross section of the bearing opening essentially corresponds to the circumferential geometry of the joint head 7 or 7a, as it emerges the view in the direction of the first pivot axis 11 results. Otherwise, the cross-sectional geometry of the bearing opening corresponds to a circumferential geometry of the joint head that extends transversely to the longitudinal direction 18. The joint head can thus move freely within certain limits in the bearing opening transversely to the longitudinal direction 18 of the joint body 16. Forces are therefore only transmitted in the longitudinal direction of the joint body 16. The broadening of the bearing opening compared to the joint head geometry results from the maximum
Schwenkwinkeln um die erste und zweite Schwenkachse. Bei kleinen Schwenkwinkeln ist sie vernachlässigbar.Swivel angles around the first and second swivel axes. It is negligible for small swivel angles.
In einer ersten Ausführungsform der vorliegenden Erfindung wird nur die Schwenkbewegung des Lagerbolzens 3 über den Gelenkkopf 7 an den Gelenkkörper 16 übertragen. Eine eventuelle Drehung des Lagerbolzens 3 bleibt ungenutzt. Der Gelenkkopf 7 besitzt in diesem Fall daher vorzugsweise eine kugelige Form.In a first embodiment of the present invention, only the pivoting movement of the bearing pin 3 is transmitted to the joint body 16 via the joint head 7. A possible rotation of the bearing pin 3 remains unused. The joint head 7 in this case therefore preferably has a spherical shape.
In einer zweiten Ausführungsform der vorliegenden Erfindung wird zusätzlich die Drehbewegung des Lagerbolzens 3 in eine Drehung des Gelenkkörpers 16 um die erste Schwenkachse 11 übersetzt. Die Umfangsgeometrie des Gelenkkopfs 7a senkrecht zur ersten Schwenkachse 11 weicht in diesem Fall deutlich von einer Kreisgeometrie ab. Als Gelenkkopfgeometrien werden vorzugsweise von der Kugelform abweichende rotationssymmetrische Körper verwendet, wobei die Rotationssymmetrieachse senkrecht zur Schwenkachse 11 verläuft. Als Umfangsgeometrien können beispielsweise Vielecke mit geraden Kantenzahlen, Ellipsen oder dergleichen verwendet werden.In a second embodiment of the present invention, the rotational movement of the bearing pin 3 is additionally translated into a rotation of the joint body 16 about the first pivot axis 11. In this case, the circumferential geometry of the joint head 7a perpendicular to the first pivot axis 11 differs significantly from a circular geometry. The joint head geometries are preferably deviating from the spherical shape rotationally symmetrical body used, the rotational symmetry axis perpendicular to the pivot axis 11. For example, polygons with even numbers of edges, ellipses or the like can be used as circumferential geometries.
Das Funktionsprinzip der Drehmomentübertragung ist in den Darstellungen der Figur 3 illustriert. Bei kugelförmiger Ausgestaltung des Gelenkkopfs 7 überträgt sich eine Drehung des Lagerbolzens 3 um seine Achse 11 nicht auf den Gelenkkörper 16, so dass die Längsrichtung 18 des Gelenkkörpers 16 in ihrer Lage unverändert beibehält (Figur 3a). Bei Verwendung eines nichtkugelförmigen, rotationssymmetrischen Gelenkkopfs 7a, wie dem zylinderförmigen Gelenkkopf der Figuren 3b und c wird die Drehbewegung des Lagerbolzens dagegen in eine entsprechende Auslenkung des Gelenkkörpers 16 umgesetzt. Die Auslenkung der Längsrichtung 18 aus der Startlage entspricht dem Drehwinkel des Lagerbolzens 3.The principle of operation of the torque transmission is illustrated in the illustrations in FIG. 3. In the case of a spherical design of the joint head 7, rotation of the bearing pin 3 about its axis 11 is not transmitted to the joint body 16, so that the longitudinal direction 18 of the joint body 16 remains unchanged in its position (FIG. 3a). In contrast, when using a non-spherical, rotationally symmetrical joint head 7a, such as the cylindrical joint head of FIGS. 3b and c, the rotary movement of the bearing pin is converted into a corresponding deflection of the joint body 16. The deflection of the longitudinal direction 18 from the starting position corresponds to the angle of rotation of the bearing pin 3.
Die Figur 4 gibt eine Ansicht einer Schalthebelbaugruppe 25 mit einem Bewegungsübersetzer gemäß einer ersten Ausfuhrungsform der vorliegenden Erfindung wieder. Kernstück der Baugruppe 25 ist ein Schalthebel 2, der wie mit Bezug auf die Figur 1 beschrieben in einem Kreuzgelenk gelagert ist. Das Rastelement 9 am unteren Ende des Schalthebels greift in eine Rastierkontur 23, so dass der Schalthebel 2 nur zwischen definierten Positionen 26 bewegt werden kann. Ein Schalthebelgehäuse 24 nimmt die Schalthebelmechanik auf. An ihm sind Lagerschalen ausgebildet, in denen die Bolzen 4 des Kreuzgelenks drehbar aufgenommen werden. Im Schalthebelgehäuse 24 befinden sich auch die Rastierkontur 23, die erfindungsgemäße Vorrichtung zurFIG. 4 shows a view of a shift lever assembly 25 with a motion translator according to a first embodiment of the present invention. The core of the assembly 25 is a shift lever 2, which is mounted in a universal joint as described with reference to FIG. 1. The locking element 9 at the lower end of the shift lever engages in a locking contour 23, so that the shift lever 2 can only be moved between defined positions 26. A shift lever housing 24 houses the shift lever mechanism. Bearing shells are formed on it, in which the bolts 4 of the universal joint are rotatably received. In the shift lever housing 24 there are also the locking contour 23, the device according to the invention
Übersetzung der Schalthebelbewegung sowie die nicht in der Abbildung dargestellte Sensorik.Translation of the shift lever movement and the sensor system not shown in the figure.
Der Gelenkkörper 16 ist wie in den Figuren 2 und 3 a dargestellt am Gelenkkopf 7 angebracht. Es besitzt eine längliche Bauform, wobei die Längsrichtung 18 radial zur ersten Schwenkachse des Schalthebels angeordnet ist. Der Gelenkkörper 16 ist in einer längsförmigen Aussparung 20 eines ihn umgebenden Übertragungselements 19 aufgenommen. Er kann entlang der Längsrichtung der Aussparung 20 verschoben werden. Das Übertragungselement 19 ist mit einem Drehzapfen 27 an einer Wandung des Schalthebelgehäuses 24 schwenkbar gelagert. Die geometrische Lage der Achse des Drehzapfens 27 ist innerhalb der von der ersten Schwenkachse 11 einnehmbaren Ausrichtungen bzw. Lagen angeordnet. Die Lagerung des Drehzapfens 27 z.B. am Schalthebelgehäuse 24 kann starr oder linear verschiebbar ausgeführt sein. Bei linearer Verschiebbarkeit folgt die Verschieberichtung der Schwenkbewegung des Lagerzapfens 3.The joint body 16 is attached to the joint head 7 as shown in FIGS. 2 and 3 a. It has an elongated design, the longitudinal direction 18 being arranged radially to the first pivot axis of the shift lever. The joint body 16 is received in a longitudinal recess 20 of a transmission element 19 surrounding it. It can be moved along the longitudinal direction of the recess 20. The transmission element 19 is pivotally mounted on a wall of the shift lever housing 24 by means of a pivot pin 27. The geometric position of the axis of the pivot pin 27 is arranged within the orientations or positions that can be taken up by the first pivot axis 11. The pivot pin 27 can be mounted, for example, on the shift lever housing 24 in a rigid or linearly displaceable manner. With linear displaceability, the direction of displacement follows the pivoting movement of the journal 3.
Eine Öffnung im Übertragungselement 19 gegenüber dem Drehzapfen 27 erlaubt das Durchführen des Lagerbolzens 3 mit dem Gelenkkopf 7. Die Abmessungen der Öffnung gestatten ein ungehindertes Schwenken des Lagerbolzens 3 innerhalb des, durch die Rastierkontur vorgegebenen Bereichs. Ein Schwenken des Lagerbolzens 3 um die zweite Schwenkachse 12 wird durch diese Anordnung in eine lineare Verschiebung des Gelenkkörpers 16 entlang der Längsrichtung der Aussparung 20 imAn opening in the transmission element 19 opposite the pivot pin 27 allows the bearing pin 3 to be passed through with the joint head 7. The dimensions of the opening allow the bearing pin 3 to pivot freely within the range predetermined by the locking contour. A pivoting of the bearing pin 3 about the second pivot axis 12 is achieved by this arrangement in a linear displacement of the joint body 16 along the longitudinal direction of the recess 20 in
Übertragungselement 19 umgesetzt. Die Längsrichtung der Aussparung 20 stimmt hierbei mit der Längsrichtung 18 des Gelenkkörpers 16 überein.Transfer element 19 implemented. The longitudinal direction of the recess 20 coincides with the longitudinal direction 18 of the joint body 16.
Mit Abstand zur Achse des Drehzapfens 27 ist am Übertragungselement 19 ein Bügel 21 angeordnet, der den Schalthebel in seinem unteren Bereich umgreift. Alternativ kann der Bügel 21 den Schalthebel auch in seinem oberen Bereich umgreifen. Der Bügel besitzt ein längliches Öhr, durch das der Schalthebel 2 geführt ist. Die Breite des Bügelöhrs ist parallel zur zweiten Schwenkachse 12 des Schalthebels 2 ausgerichtet und entspricht im wesentlichen dem Durchmesser bzw. der Breite des Schalthebels. Die Länge des Bügelöhrs ist parallel zu ersten Schwenkachse 11 des Schalthebels 2 ausgerichtet und erlaubt ein ungehindertes Schwenken des Schalthebels 2 um die zweite Schwenkachse für alle durch die Rastierkontur 23 festgelegten Positionen 26.At a distance from the axis of the pivot pin 27, a bracket 21 is arranged on the transmission element 19, which engages around the shift lever in its lower region. Alternatively, the bracket 21 can also grip around the shift lever in its upper region. The bracket has an elongated eye through which the shift lever 2 is guided. The width of the bow eye is aligned parallel to the second pivot axis 12 of the shift lever 2 and essentially corresponds to the diameter or the width of the shift lever. The length of the bow eye is aligned parallel to the first pivot axis 11 of the shift lever 2 and allows the shift lever 2 to pivot freely about the second pivot axis for all positions 26 defined by the locking contour 23.
Wird der Schalthebel 2 um die erste Schwenkachse 11 geschwenkt, so nimmt er das Übertragungselement 19 am Bügel 21 mit und schwenkt es somit um die Achse desIf the shift lever 2 is pivoted about the first pivot axis 11, it takes the transmission element 19 on the bracket 21 and thus pivots it about the axis of the
Drehzapfens 27. Ein, in einer Montageaufnahme 22 des Gelenkkörpers 16 angeordneter Aktuator beschreibt entsprechend einen Bogen in einer Verschiebebene senkrecht zur Achse des Drehzapfens 27. Ein Schwenken des Schalthebels 2 um die zweite Schwenkachse 12 bewirkt dagegen eine Längsverschiebung des Gelenkkörpers 16 in der Aussparung 20 des Übertragungselements 19 und damit eine Verschiebung des Aktuators radial zur Achse des Drehzapfens 27. Da der Drehzapfen 27 am Übertragungselement 19 angeordnet ist, kann der Aktuator hierbei die Verschiebeebene nicht verlassen. Die in der Figur 1 gestrichelt angedeuteten Schaltwege 15 werden somit in die in der Figur 5 gezeigten Verschiebewege 29 des Aktuators umgesetzt. Die Ringe 29a geben die Position des Aktuators bei den Rastpositionen 15a des Schalthebels 2 an. Beschränkt die Rastierkontur 23 wie in den Figuren 1 und 5 dargestellt, die Schwenkbewegungen des Lagerbolzens 3 auf eine Auslenkung des Gelenkkopfs 7 in Richtung der Längsausdehnung der Aussparung 20 im Übertragungselement 19 zur Aufhahme des Gelenkkörpers 16, so kann der Querschnitt der Lageröffhung 17 ungestreckt der Umfangsgeometrie des Gelenkkopfs 7 angepasst werden, da keine Bewegungsanteile quer zur Längsrichtung 18 auftreten.Pivot 27. An actuator arranged in a mounting receptacle 22 of the joint body 16 correspondingly describes an arc in a displacement plane perpendicular to the axis of the pivot 27. A pivoting of the shift lever 2 about the second Swivel axis 12, on the other hand, causes a longitudinal displacement of the joint body 16 in the cutout 20 of the transmission element 19 and thus a displacement of the actuator radially to the axis of the pivot pin 27. Since the pivot pin 27 is arranged on the transmission element 19, the actuator cannot leave the displacement plane. The switching paths 15 indicated by dashed lines in FIG. 1 are thus implemented in the displacement paths 29 of the actuator shown in FIG. 5. The rings 29a indicate the position of the actuator in the detent positions 15a of the shift lever 2. If the locking contour 23, as shown in FIGS. 1 and 5, limits the pivoting movements of the bearing pin 3 to a deflection of the joint head 7 in the direction of the longitudinal extension of the recess 20 in the transmission element 19 for receiving the joint body 16, the cross section of the bearing opening 17 can be undrawn the circumferential geometry of the joint head 7 can be adjusted, since no movement components occur transversely to the longitudinal direction 18.
Figur 6 zeigt eine Schalthebelbaugruppe 30 mit einer Vorrichtung zum Übersetzen einer zweiachsigen Schwenkbewegung eines Schalthebels 2 gemäß einer zweiten Ausführungsform der vorliegenden Erfindung. Der Gelenkkörper 16 besitzt an einem Ende eine Lageröffhung 17 mit unterschiedlichen Abmessungen quer und längs seiner Längsausdehnung 18. Im dargestellten Beispiel ist der Gelenkkopf 7a zylinderförmig ausgestaltet und mit der Symmetrieachse des Gelenkkopfs 7a quer zur Längsrichtung 18 in der Lageröffhung 17 aufgenommen. Der Querschnitt der Lageröffhung 17 entspricht der Umfangsgeometrie des Gelenkkopfs 7a in seiner Ansicht in Richtung der ersten Schwenkachse 11.FIG. 6 shows a shift lever assembly 30 with a device for translating a two-axis pivoting movement of a shift lever 2 according to a second embodiment of the present invention. The joint body 16 has at one end a bearing opening 17 with different dimensions transversely and along its longitudinal extension 18. In the example shown, the joint head 7a is cylindrical and is received in the bearing opening 17 with the axis of symmetry of the joint head 7a transverse to the longitudinal direction 18. The cross section of the bearing opening 17 corresponds to the circumferential geometry of the joint head 7a in its view in the direction of the first pivot axis 11.
Das zweite Ende des Gelenkkörpers 16 ist im Öhr eines Bügels 31 so geführt, dass eine Bewegung des Gelenkkörpers 16 auf die durch die Bügellängswand 32 festgelegte Verschiebeebene beschränkt ist. Der Lagerbolzen 3 ist fest mit dem Schalthebel verbunden.The second end of the joint body 16 is guided in the eye of a bracket 31 such that movement of the joint body 16 is limited to the displacement plane defined by the longitudinal wall 32 of the bracket. The bearing pin 3 is firmly connected to the shift lever.
Ein Schwenken des Schalthebels 2 um die erste Schwenkachse 11 bewirkt ein Schwenken des Gelenkkörpers 16 um diese Schwenkachse 11 in der durch die Bügellängswand 32 festgelegten Verschiebeebene. Ein Schwenken des Schalthebels 2 um die zweite Schwenkachse 12 bewirkt ein Schwenken des Lagerbolzens um diese Achse 12. Der Gelenkkopf 7a bewegt sich damit auf einem Kreisbogen mit der Schwenkachse 12 als Zentrum. Der Bewegungsanteil senkrecht zur Verschiebeebene hat ein Verschieben des Gelenkkopfs 7a in der Lageröffhung 17 senkrecht zur Verschiebeebene zur Folge und verändert dadurch die Lage des Gelenkkörpers 16 nicht. Der Bewegungsanteil parallel zur Verschiebeebene bewirkt eine vertikale Verschiebung des Gelenkkörpers in dieser Ebene.A pivoting of the switching lever 2 about the first pivot axis 11 causes the joint body 16 to pivot about this pivot axis 11 in the through the longitudinal wall 32 specified shift plane. A pivoting of the shift lever 2 about the second pivot axis 12 causes the bearing pin to pivot about this axis 12. The joint head 7a thus moves on an arc with the pivot axis 12 as the center. The movement component perpendicular to the plane of displacement results in a displacement of the joint head 7a in the bearing opening 17 perpendicular to the plane of displacement and does not thereby change the position of the joint body 16. The movement component parallel to the plane of displacement causes a vertical displacement of the joint body in this plane.
Die in der Figur 1 gestrichelt angedeuteten Schaltwege 15 werden somit in die in der Figur 7 gezeigten Verschiebewege 28 des Aktuators umgesetzt. Die Ringe 28a geben die Position des Aktuators bei den Rastpositionen 15a des Schalthebels 2 an. Im Gegensatz zur ersten Ausführungsform der vorliegenden Erfindung sind die gestrichelt angedeuteten Verbindungslinien 33 von Positionen des Aktuators bei gleichem Schwenkwinkel desThe switching paths 15 indicated by dashed lines in FIG. 1 are thus converted into the displacement paths 28 of the actuator shown in FIG. The rings 28a indicate the position of the actuator in the detent positions 15a of the shift lever 2. In contrast to the first embodiment of the present invention, the connecting lines 33 indicated by dashed lines are positions of the actuator with the same pivoting angle of the
Schalthebels 2 um die erste Schwenkachse 11 aber unterschiedlichem Schwenkwinkel um die zweite Schwenkachse 12 parallel und nicht geneigt zueinander ausgerichtet. Shift lever 2 around the first pivot axis 11 but different pivot angle about the second pivot axis 12 parallel and not inclined to each other.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
1 Schalthebelmechanik1 gear lever mechanism
2 Schalthebel2 shift levers
3 Lagerbolzen3 bearing bolts
4 Bolzen4 bolts
5 Halterung5 bracket
6 Sicherungsstift6 locking pin
7, 7a Gelenkkopf7, 7a rod end
8 verjüngter Hals8 tapered neck
9 Rastelement9 locking element
10 S chalthebelachse10 shift lever axis
11 erste Schwenkachse11 first pivot axis
12 zweite Schwenkachse12 second pivot axis
13, 14 Pfeil13, 14 arrow
15 Wegeverlauf15 route
15a Rastpositionen15a rest positions
16 Gelenkkörper16 joint body
17 Lageröffhung17 opening
18 Längsrichtung18 longitudinal direction
19 Übertragungselement19 transmission element
20 Aussparung20 recess
21, 31 Bügel21, 31 bracket
22 Montageöff ung22 assembly opening
23 Rastierkontur23 locking contour
24 Schalthebelgehäuse24 gear lever housing
25, 30 Schalthebelbaugruppe25, 30 shift lever assembly
26 definierte Positionen26 defined positions
27 Drehzapfen27 pivots
28, 29 Verschiebewege des Aktuators28, 29 displacement paths of the actuator
28a, 29a Position des Aktuators28a, 29a position of the actuator
32 Bügellängswand 32 temple longitudinal wall

Claims

Bewegungsübersetzer für eine isodistante SchaltsensorikPatentansprüche Motion translator for an isodistant switching sensor system
1. Vorrichtung zum Übersetzen einer zweiachsigen Schwenkbewegung eines Schalthebels (2) in eine planare Bewegung eines Schalthebelpositionsgebers mit einem Führungselement (20, 27, 31, 32) zur Beschränkung der Bewegung des Schalthebelpositionsgebers auf eine Bewegung in einer nichtgekrümmten Ebene, einem Übertragungselement (19, 7a) zum Übertragen einer Schwenkbewegung des Schalthebels (2) um eine erste Schwenkachse (11) in eine Schwenkbewegung des Schalthebelpositionsgebers in der nichtgekrümmten Ebene, und einer Gelenkverbindung zum Umsetzen einer Schwenkbewegung des Schalthebels (2) um eine zweite Schwenkachse (12) in eine Bewegung des Schalthebelpositionsgebers in der rüchtgekrümmten Ebene, so dass die Schalthebelpositionen (15a) des Schalthebels (2) in der riichtgekrümmten Ebene detektierbar sind.1. Device for translating a two-axis pivoting movement of a shift lever (2) into a planar movement of a shift lever position transmitter with a guide element (20, 27, 31, 32) for restricting the movement of the shift lever position transmitter to movement in a non-curved plane, a transmission element (19, 7a) for transmitting a pivoting movement of the shift lever (2) about a first pivot axis (11) into a pivoting movement of the shift lever position transmitter in the uncurved plane, and an articulated connection for converting a pivoting movement of the shift lever (2) into a movement about a second pivot axis (12) of the gear lever position transmitter in the plane curved so that the gear lever positions (15a) of the gear lever (2) can be detected in the plane curved.
2. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass die Gelenkverbindung seitlich des Schalthebels (2) angebracht ist.2. Device according to claim 1, characterized in that the articulated connection is attached to the side of the shift lever (2).
3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die erste Schwenkachse (11) des Schalthebels als Lagerbolzen (3) mit einem als Gelenkkopf (7, 7a) ausgestalteten Ende zur Aufnahme im Schalthebelpositionsgeber ausgeführt ist. 3. Device according to claim 1 or 2, characterized in that the first pivot axis (11) of the shift lever is designed as a bearing pin (3) with an end designed as a joint head (7, 7a) for receiving in the shift lever position transmitter.
4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass der Schalthebelpositionsgeber zur Aufnahme des Gelenkkopfs eine längsförmige Aussparung (17) mit einer Querschnittsgeometrie aufweist, die im wesentlichen die Geometrie des Gelenkkopfs (7, 7a) quer zur Achse des Lagerbolzens (3) bei gleichen oder größeren Abmessungen wiedergibt.4. The device according to claim 3, characterized in that the shift lever position sensor for receiving the joint head has a longitudinal recess (17) with a cross-sectional geometry which essentially the same as the geometry of the joint head (7, 7a) transverse to the axis of the bearing pin (3) or larger dimensions.
5. Vorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass der Gelenkkopf (7) kugelförmig ausgestaltet ist.5. The device according to claim 3 or 4, characterized in that the joint head (7) is spherical.
6. Vorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass der Gelenkkopf (7a) zylinderförmig ausgestaltet ist.6. The device according to claim 3 or 4, characterized in that the joint head (7a) is cylindrical.
7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Symmetrieachse des zylinderförmigen Gelenkkopfs (7a) im wesentlichen senkrecht zur Achse (11) des Lagerbolzens (3) angeordnet ist.7. The device according to claim 6, characterized in that the axis of symmetry of the cylindrical joint head (7a) is arranged substantially perpendicular to the axis (11) of the bearing pin (3).
8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass der Gelenkkopf (7a) das Übertragungselement bildet.8. The device according to claim 7, characterized in that the joint head (7a) forms the transmission element.
9. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Übertragungselement (19) den Schalthebel (2) in einem Abstand zur ersten Schwenkachse (11) des Schalthebels (2) umgreift. 9. Device according to one of claims 1 to 5, characterized in that the transmission element (19) engages around the shift lever (2) at a distance from the first pivot axis (11) of the shift lever (2).
10. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass das Übertragungselement (19) ein bügelfÖrmiges Element (21) zum Umgreifen des Schalthebels (2) aufweist.10. The device according to claim 9, characterized in that the transmission element (19) has a bow-shaped element (21) for reaching around the shift lever (2).
11. Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass das bügelförmige Element (21) den Schalthebel (2) so umgreift, dass der Schalthebel (2) bei Schwenken um seine erste Schwenkachse (11) das Übertragungselement (19) mitführt und bei Schwenken um seine zweite Schwenkachse (12) sich im bügeiförmigen Element (21) frei bewegt.11. The device according to claim 10, characterized in that the bow-shaped element (21) engages around the shift lever (2) so that the shift lever (2) carries the transmission element (19) when pivoting about its first pivot axis (11) and when pivoting its second pivot axis (12) moves freely in the bow-shaped element (21).
12. Vorrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass das Führungselement (20, 27, 31, 32) mit definiertem Bezug zum Schalthebelgehäuse (24) angeordnet ist.12. Device according to one of claims 1 to 11, characterized in that the guide element (20, 27, 31, 32) is arranged with a defined reference to the shift lever housing (24).
13. Vorrichtung nach einem der Ansprüche 9 bis 12, dadurch gekennzeichnet, dass das Übertragungselement (19) um einen Drehzapfen (27) schwenkbar gelagert ist.13. Device according to one of claims 9 to 12, characterized in that the transmission element (19) is pivotally mounted about a pivot (27).
14. Vorrichtung nach Anspruch 13 , dadurch gekennzeichnet, dass die geometrische Lage der Achse des Drehzapfens (27) innerhalb der von der ersten Schwenkachse (11) des Schalthebels (2) einnehmbaren Ausrichtungen angeordnet ist.14. The apparatus according to claim 13, characterized in that the geometric position of the axis of the pivot pin (27) is arranged within the orientations which can be assumed by the first pivot axis (11) of the shift lever (2).
15. Vorrichtung nach Anspruch 13 oder 14, dadurch gekennzeichnet, dass der Drehzapfen (27) zur Beschränkung einer Bewegung des Übertragungselements (19) auf die nichtgekrümmte Ebene ausgebildet ist. 15. The apparatus according to claim 13 or 14, characterized in that the pivot pin (27) is designed to restrict movement of the transmission element (19) to the non-curved plane.
16. Vorrichtung nach Anspruch 15 , dadurch gekennzeichnet, dass am Übertragungselement (19) ein Führungselement ausgebildet ist.16. The apparatus according to claim 15, characterized in that a guide element is formed on the transmission element (19).
17. Vorrichtung nach Anspruch 16, dadurch gekennzeichnet, dass das Führungselement von einer Aussparung (20) im Übertragungselement (19) gebildet ist, in welcher der Schalthebelpositionsgeber radial zur Schwenkachse des Übertragungselements (19) verschiebbar ist.17. The apparatus according to claim 16, characterized in that the guide element is formed by a recess (20) in the transmission element (19), in which the shift lever position transmitter is radially displaceable to the pivot axis of the transmission element (19).
18. Elektromechanisches Schalthebelsystem mit einem zweiachsig gelagerten Schalthebel (2), einer Vorrichtung nach einem der Ansprüche 1 bis 17, und18. Electromechanical shift lever system with a two-axis shift lever (2), a device according to one of claims 1 to 17, and
Sensoren, die zum Detektieren bestimmter Schalthebelpositionen (15a) desSensors that are used to detect certain gear lever positions (15a) of the
Schalthebels (2) parallel zur nichtgekrummten Ebene dem Schalthebelpositionsgeber gegenüber angeordnet sind.Shift lever (2) are arranged parallel to the non-curved plane opposite the shift lever position transmitter.
19. Elektromechanisches Schalthebelsystem nach Anspruch 18, dadurch gekennzeichnet, dass der Schalthebelpositionsgeber einen Aktuator in Form eines Permanentmagneten aufweist.19. Electromechanical shift lever system according to claim 18, characterized in that the shift lever position transmitter has an actuator in the form of a permanent magnet.
20. Elektromechanisches Schalthebelsystem nach Anspruch 18 oder 19, dadurch gekennzeichnet, dass die Sensoren als Hallsensoren ausgeführt sind. 20. Electromechanical shift lever system according to claim 18 or 19, characterized in that the sensors are designed as Hall sensors.
PCT/DE2003/002282 2002-07-09 2003-07-08 Motion translator for an equidistant shifting sensor system WO2004005765A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE50304873T DE50304873D1 (en) 2002-07-09 2003-07-08 MOTION TRANSLATION FOR AN ISODISTANT SWITCH SENSOR
EP03762457A EP1520124B1 (en) 2002-07-09 2003-07-08 Motion translator for an equidistant shifting sensor system
US10/939,932 US7430938B2 (en) 2002-07-09 2004-09-13 Movement converter for an isodistant shifting sensor system
US11/923,941 US7726215B2 (en) 2002-07-09 2007-10-25 Movement converter for an isodistant shifting sensor system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10231015.7 2002-07-09
DE10231015A DE10231015B4 (en) 2002-07-09 2002-07-09 Motion translator for an isodistant switching sensor

Related Child Applications (3)

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US10939932 A-371-Of-International 2003-07-08
US10/939,932 Continuation US7430938B2 (en) 2002-07-09 2004-09-13 Movement converter for an isodistant shifting sensor system
US11/923,941 Division US7726215B2 (en) 2002-07-09 2007-10-25 Movement converter for an isodistant shifting sensor system

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WO2004005765A1 true WO2004005765A1 (en) 2004-01-15

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US (2) US7430938B2 (en)
EP (1) EP1520124B1 (en)
DE (2) DE10231015B4 (en)
ES (1) ES2270105T3 (en)
WO (1) WO2004005765A1 (en)

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EP1520124B1 (en) 2006-08-30
ES2270105T3 (en) 2007-04-01
US20080041182A1 (en) 2008-02-21
EP1520124A1 (en) 2005-04-06
US7726215B2 (en) 2010-06-01
US7430938B2 (en) 2008-10-07
DE50304873D1 (en) 2006-10-12
DE10231015A1 (en) 2004-03-04
DE10231015B4 (en) 2006-08-31
US20050028634A1 (en) 2005-02-10

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